Practical Failure Analysis

, Volume 1, Issue 4, pp 57–60 | Cite as

Hollow fibers can accelerate conductive filament formation

  • K. Rogers
  • C. Hillman
  • M. Pecht
Peer Reviewed Articles


Increases in failures due to internal board shorting by conductive filament formation have driven glass and laminate manufacturers to consider screens and qualification tests to assess the hollow fiber concentration of circuit cards. This article describes the hollow fiber problem, methods to deter conductive filament formation, a hollow fiber screening technique, and the impact of next generation technology on conductive filament failure mechanism.


conductive filament formation hollow fiber laminate printed wiring board 


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Copyright information

© ASM International - The Materials Information Society 2001

Authors and Affiliations

  • K. Rogers
    • 1
  • C. Hillman
    • 1
  • M. Pecht
    • 1
  1. 1.CALCE Electronic Products and Systems CenterUniversity of MarylandCollege Park

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